No problem, we've got 78162118 and 85394238 to multiply
78162118 × 85394238 = 85394238 × (78162118)
+ 85394238 × 8 what gives us 683153904
+ 85394238 × 10 which equals 853942380
+ 85394238 × 100 that equals 8539423800
+ 85394238 × 2000 resulting in 170788476000
+ 85394238 × 60000 what gives us 5123654280000
+ 85394238 × 100000 resulting in 8539423800000
+ 85394238 × 8000000 resulting in 683153904000000
+ 85394238 × 70000000 that equals 5977596660000000

= 6674594507076084
